Prokaryotes do not contain membrane, and eukaryotes do contain membrane.
Answer:
These microbes conduct photosynthesis: using sunshine, water and carbon dioxide to produce carbohydrates and, yes, oxygen. In fact, all the plants on Earth incorporate symbiotic cyanobacteria. For some untold eons prior to the evolution of these cyanobacteria, during the Archean eon, more primitive microbes lived the real old-fashioned way: anaerobically. These ancient organisms—and their "extremophile" descendants today—thrived in the absence of oxygen, relying on sulfate for their energy needs. But roughly 2.45 billion years ago, the isotopic ratio of sulfur transformed, indicating that for the first time oxygen was becoming a significant component of Earth's atmosphere,
Answer:
the third whorl of a flower contains the male reproductive structure known as androecium
Answer:
d) social norm deviance
Explanation:
If sam complies with the ritual his behavior would illustrate social norm deviance (coming out naked against proper clothing)
Answer:
Mitosis
Explanation:
It takes place in two stages, e. g. Karyokinesis and Cytokinesis.
